Spray nozzle



G. F, HoLLls SPRAY NOZZLE June 2l, 1938.

. Filed May l, 1937 Iii 1 y gra@ GASTQN'EHGLLIS Patented June 21, 193s lPATEN'l orme-e SPRAY NOZZLE Gaston F. Hollis, St. Petersburg, Fla., assignor of one-third to Forrest Hoffman, St. Petersburg,

Fla.

Application May 1, 1937, SerialNo. 140,081

4 Claims.

`My invention relates to improvements in spray nozzles, the prime `object being to provide a nozzle which may be used for general spraying, and adjustable to provide the proper density of spray, from a fine mist 4to a course droppy spray depending on the density desired.

Another object of my invention is toprovide a spray nozzle which will deposit the spray solution upon a pre-determined area without a waste of the material.

Spray nozzles often become clogged with .sediment from :the spray solution, therefor `another object of my invention is to provide 4a nozzle having a means whereby the said sediment may Abe feasily .removed without loss of time in disassembling the nozzle.

No doubt other objects and advantages will appear-from the following description and claims, when taken in connection with the drawings, wherein,-

Figure 1 is a plan View of my nozzle.

Figure 2 is a longitudinal section, on the line Figure 1.

Figure 3 is a View of the under side of the nozzle.

Similar reference characters refer to similar parts throughout the several views.

The preferable construction of my improved spray nozzle comprises a cylindrical hollow member or handle A threaded at opposite ends and having a projection 2 designed to accommodate and having therein a plunger 3, said plunger having a head portion 4, between the outer end of the projected portion 2 and the plunger head 4 is engaged a spring 5 to return the plunger to normal position after it has been pressed downward for a purpose to be hereinafter described. Within said portion 2 suitable packing is provided adjacent to the plunger 3 to prevent leakage of the spray solution. On the outer end of said handle member A is a coupling member 6 by which said nozzle may be connected with the ordinary spray hose connection 'I, the usual gasket being used to prevent leakage. Forming a part of said coupling member 6 is a neck portion 9 upon which is mounted, and secured thereto in any suitable manner, a screening member Ill to screen the solution as it enters the nozzle.

Upon the opposite end of said member A is a coupling member II by which a hollow tube or nozzle I2 is coupled with the member A, a suitable gasket being used to prevent leakage. The coupling end of said member I2 is open and suitably threaded for coupling purpose, the opposite or outer end I3 is tapered and has a small cen trally located aperture I4.

At times during spraying there `is `an accumulation of sediment-from the spraysolutioninthe aperture preventing a free flow of thev solution,

therefor to facilitate the removal of said -sediment, I provide acleaning wire member -I5 the end vII of which engages the lower .end of Vthe plunger 3 at the point I1, thus when the plunger is pressed downwardthe `wirefmember `I 5 is moved forward and guided by `the sloping surface rlil into the aperture I4 and .through it `removing any accumulation.

To regulate the 'densityof spray and concentrate upon a pre-determined-area Without waste, I provide an adjustable 4member .B -the yfait portion being semi-tubular shaped to permit association with the nozzle member I2, the outer or fore portion 2I being fan shaped and sloped downward and which acts as a' further deflector and a spray spreader and the eXtreme outer edge bent downward at an angle to form a lip 22. The density of the spray being dependent upon the relation of the lip 22 and the sloping portion 2| to the aperture I4, in order to procure proper relationship and provide proper clearance of parts so adjustment can be made, the aft portion 20 is recessed at 23 and 24 the base of recess 23 being sloped 25 at an angle coinciding with the taper I3 of the outer end of nozzle I2 thus providing an engaging or resting surface at this point for the member B which is adjusted forward and tipped when a spray other than a mist is desired, the dash lines in Fig. 2, showing the relationship of the member B to the nozzle I2 when a very coarse spray is desired, in which case the jetted solution rst strikes the sloping fan portion 2l some distance from the lip 22 retarding the force of the spray before striking the lip 22, or adjusted to a position as shown in full lines in Fig. 2, wherein the lip 22 is practically in direct line with the aperture I4 permitting the jetted spray to contact the lip 22 full force creating a ne or mist spray, the reoessed portion 24 forming a rear supporting means for the member B on the nozzle I2 and further providing clearance of the portion 20 to permit correct adjustment of the member B.

To concentrate the spraying on a predetermined area and prevent waste the member B is provided with and forming a part thereof downward projecting and curved under sides 2G which act as deflecting members, said side members being rounded at their fore part toa point 2'I just behind the lip 22, Figs. 2 and 3, so as not Gli to hinder a reasonable spread of the spray, the aft portion 20 being formed to t the nozzle member l2 as shown in Figs. 1 and 3 and suitable locking means such as a bolt and wing nut 28 being provided to lock the member B in place on the nozzle member I2 after desired adjustment has been made.

1. A spray nozzle of the class described, having in combination, a nozzle member, having a connecting means with a spray solution supply, an aperture at its outer tapered end, providing means for jetting of the spray solution, a spray density regulating member extending beyond the forepart of said nozzle and adjustably associated with the nozzle and slideable thereon to regulate the spray density, the tapered portion in combination with a horizontal portion of said nozzle forming a tilting means and a resting surface for the rear portion of said regulating member, which is semi-tubular shaped and has depressed sloping and horizontal portions to provide seating means for said regulating member upon the tapered and horizontal portions of the nozzle, the outer portion of said regulating member being flat, fan shaped, and sloped downward and outward, thereby providing an intermediate defiecting surface for the jetted solution, and the extreme outer edge thereof bent downward forming a lip, which acts as a further spray deilecting means, and the distance of which from the jet end of the nozzle determines the density of the spray, and means to permit concentration of the spray consisting of side lateral portions extending downward from the plane of the fan shaped portion of the regulating member, and locking means for said member upon the nozzle.

2. Means for producing a spray of Varied density and to permit concentration of the spray, wherein a nozzle is provided having at its outer tapered end, an aperture for jetting of the spray solution, a spray regulating member which is slidable and adjustably associated with and securable on and to said nozzle, the outer portion of said regulating member being fan shaped, with downward projected lateral portions, and flat and sloped downward and outward to a downward extended lip at the outer edge of said member, the rear portion having seating means for said regulating member upon the tapered and a horizontal portion of the nozzle simultaneously, to aid in the adjustment.

3. Means for producing a spray of varied density, and to concentrate the spray, wherein a l spray regulating member is provided, the outer lating member is provided, having an outward 9 deflecting surface, the rear portion of said member being shaped to be associated with, slidable on and secured to the nozzle, and seating means for said regulating member on the tapered portion and a horizontal portion of the nozzle simultaneously, to aid in the adjustment.

GASTON F. HOLLIS. 

